Centripetal force demonstrator 21072 type verification centripetal force size experiment High School physical mechanics experiment equipment

Periscope detachable rotating periscope model optical experiment equipment children's homemade Periscope equipment

Handheld sieve 81204-type Soil sieve plastic sieve replaceable sieve surface Primary School scientific experiment instrument

Magnetizer 02023-type magnetizing demagnetization dual-purpose physical experiment teaching instrument

24035 Ampere force demonstrator magnetic field effect on current experiment high school physics experiment teaching instrument

Gas Law demonstrator J2257 Charlie's law high school physics experiment device teaching aids teaching instrument

24037 self-sensing phenomenon demonstrator physical experiment equipment junior and senior high school physical experiment teaching instrument

23018 resistance ring 5ohm 10ohm 15ohm fixed value resistance electrical experiment measuring resistance experimental instrument

High school digital demonstration meter J15002 type four-bit and half digital display high school experimental equipment teaching instrument

Forced vibration and resonance demonstrator 22026-type 5-group swing ball high school physics experiment equipment teaching instrument

Fluorescent lamp principle demonstrator 24051-type inductive ballast high school physics teaching experimental instrument

Electromagnetic Oscillation Demonstrator 24061-type physics experiment teaching instrument for junior and senior high schools

03002 square bracket iron frame table for chemical experiment iron ring flask clip large and small iron ring experiment teaching instrument

29033 hand-cranked DC generator motor model electromagnetism experimental teaching instrument

24014 demonstration electromagnetic relay junior and senior high school physics electromagnetism experiment teaching instrument

24052 Lorentz force demonstrator large bulb Lorentz force tube electron beam track high school physics instrument

24056 electrical components black box exploration circuit in cassette Junior High School physical circuit experimental teaching instrument

20536 oral arithmetic trainer simple math trainer rotating disc Primary School mathematics teaching instrument

31020 high voltage power transmission and transformation simulation demonstrator Boost Buck high school physics teaching instrument

Single pendulum experiment device metal base dial cycloid length adjustable junior high school physics experiment equipment instrument

Synthesis and decomposition demonstrator of force 21026 synthesis and decomposition experiment device Junior High School mechanics teaching instrument

Double-slit interference experiment instrument with bracket J2515 high school physics optical experiment teaching instrument

Wave spring 22014 metal wave spring demonstration transverse wave longitudinal wave teaching instrument physical experiment equipment

24025 energy conversion tester mechanical energy electric energy light energy chemical energy mutual conversion physical experiment instrument

Ampere force tester 24036 magnetic field effect on current tester physical electromagnetic experiment teaching instrument

Concave-convex Bridge demonstrator 21076 high school physics teaching demonstration experimental instrument

Electromagnetic damping demonstrator 24040 high school physics electromagnetic induction experiment teaching instrument

03004 lifting platform iron manual lifting 200 * 200mm experimental instrument bracket junior and senior high school teaching instrument

Diamond Small Magnetic Needle Wing-shaped Magnetic Needle with Bracket Junior High School Physics Magnetic Experiment Instrument Teaching Aids

21077 demonstrate the research on the balance condition of fixed rotating shaft objects high school physics experimental instrument

Tripod aluminum alloy adjustable tripod experimental bracket chemical heating experimental equipment teaching instrument

27009 freehand slicer junior and senior high school biological experiment equipment teaching aids

Electric field charged particle motion simulation demonstrator 23057 physical and electrical experiment teaching instrument

04013 electronic motor student High Voltage micro current source high school physics experiment teaching instrument

Strut fixed pulley and table side clip set 21027 table side clip I-shaped clip junior and senior high school physical mechanics teaching instrument

Double-track flat throw sports experiment device double-track demonstrator J2154 flat throw sports experiment device middle school physical equipment